AirHint found the following cheapest return flights from London (LGW) to Tehran (IKA) in April 2026 (see full year).

Return flights

16 Apr - 02 May	Wizz Air UK
09 Apr - 07 May	Wizz Air UK
13 Apr - 12 May	Wizz Air UK
15 Apr - 13 May	Wizz Air UK
22 Apr - 21 May	Wizz Air UK
23 Apr - 07 May	Wizz Air UK
14 Apr - 28 Apr	SWISS
13 Apr - 13 May	Wizz Air UK
22 Apr - 06 May	Wizz Air UK
14 Apr - 26 May	Wizz Air UK
21 Apr - 21 May	Norwegian Air Sweden AOC
08 Apr - 30 Apr	Wizz Air UK
08 Apr - 22 Apr	Wizz Air UK
11 Apr - 27 Apr	easyJet
06 Apr - 20 Apr	Wizz Air UK
03 Apr - 17 Apr	Wizz Air UK

Also check the deals for one-way flights from London to Tehran in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Tehran in April from 449€

Return flights